/*
 * Copyright 2011-2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.lettuce.core.dynamic.intercept;

import java.lang.reflect.Method;

/**
 * Description of an invocation to a method, given to an interceptor upon method-call.
 *
 * <p>
 * A method invocation is a joinpoint and can be intercepted by a method interceptor.
 *
 * @see MethodInterceptor
 * @author Mark Paluch
 * @since 5.0
 */
public interface MethodInvocation {

    /**
     * Proceed to the next interceptor in the chain.
     * <p>
     * The implementation and the semantics of this method depends on the actual joinpoint type (see the children interfaces).
     *
     * @return see the children interfaces' proceed definition
     * @throws Throwable if the invocation throws an exception
     */
    Object proceed() throws Throwable;

    /**
     * @return the originally called {@link Method}.
     */
    Method getMethod();

    /**
     * @return method call arguments.
     */
    Object[] getArguments();
}
